UPDATE, 11:10 a.m.: A staff photographer for The Republican reports northbound traffic is backed up to the Enfield line.

SPRINGFIELD — A tractor trailer driver suffered what are believed to be minor injuries Wednesday morning after her rig jack-knifed into a guardrail in the northbound lanes of Interstate 91 near the Longmeadow Curve.

State police, speaking about 10:30 a.m., said two left lanes remain closed and traffic is backing up. Some fuel oil was spilled in the crash and state Department of Transportation personnel are also on scene.

State police reported significant damage to the guardrail. No other vehicles were involved in the crash.